Home / 2,136.51-2,936.49-1,886.32

Finding the Fourth Proportional to 2,136.51, 2,936.49 and 1,886.32

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Solution

The fourth proportional to 2,136.51, 2,936.49 and 1,886.32 is: 2,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.51 : 2,936.49 = 1,886.32 : x
  2. Step 2: Convert to fraction form
    2,136.51/2,936.49 = 1,886.32/x
  3. Step 3: Cross multiply
    2,136.51x = 2,936.49 × 1,886.32
  4. Step 4: Simplify right side
    2,136.51x = 5,539,156.41
  5. Step 5: Solve for x
    x = 5,539,156.41/2,136.51
  6. Step 6: Final answer
    x = 2,592.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.